Finding the Fourth Proportional to 1,552,408,313.60, 2,142,312,381.36 and 847,560,273.20
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Solution
The fourth proportional to 1,552,408,313.60, 2,142,312,381.36 and 847,560,273.20 is: 1,169,627,121.50
Step by Step Solution
- Step 1: Write the proportion equation
1,552,408,313.60 : 2,142,312,381.36 = 847,560,273.20 : x - Step 2: Convert to fraction form
1,552,408,313.60/2,142,312,381.36 = 847,560,273.20/x - Step 3: Cross multiply
1,552,408,313.60x = 2,142,312,381.36 × 847,560,273.20 - Step 4: Simplify right side
1,552,408,313.60x = 1,815,738,867,225,224,192 - Step 5: Solve for x
x = 1,815,738,867,225,224,192/1,552,408,313.60 - Step 6: Final answer
x = 1,169,627,121.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.